Fix type errors in tests and plugins

- Add type: ignore for monkey-patching Database.__init__ in conftest
- Fix CLI test to pass string "2" instead of integer to Click invoke
- Add type: ignore for optional sqlean import
- Fix add_geometry_column test to use "XY" instead of integer 2
- Add type: ignore for click.Context as context manager
- Add type: ignore for enable_fts test that intentionally omits argument
- Add type: ignore for sys._called_from_test dynamic attribute
- Fix rows_from_file test type error for intentional wrong argument
- Handle None from pm.get_hookcallers in plugins.py

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

tests/test_fts.py

@@ -424,7 +424,7 @@ def test_enable_fts_error_message_on_views():
     db = Database(memory=True)
     db.create_view("hello", "select 1 + 1")
     with pytest.raises(NotImplementedError) as e:
-        db["hello"].enable_fts()
+        db["hello"].enable_fts()  # type: ignore[call-arg]
         assert e.value.args[0] == "enable_fts() is supported on tables but not on views"